Finding the Fourth Proportional to 12,040.56, 18,059.06 and 4,644.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,040.56 : 18,059.06 = 4,644.10 : x
2. Step 2: Convert to fraction form
   12,040.56/18,059.06 = 4,644.10/x
3. Step 3: Cross multiply
   12,040.56x = 18,059.06 × 4,644.10
4. Step 4: Simplify right side
   12,040.56x = 83,868,080.55
5. Step 5: Solve for x
   x = 83,868,080.55/12,040.56
6. Step 6: Final answer
   x = 6,965.46